X
HOME HTML CSS JAVASCRIPT SQL PHP JQUERY ANGULAR BOOTSTRAP XML ASP.NET MORE...
REFERENCES | EXAMPLES | FORUM | ABOUT

Style width Property

Style Object Reference Style Object

Example

Set the width of a <button> element:

document.getElementById("myBtn").style.width="300px";

Try it yourself »


Definition and Usage

The width property sets or returns the width an element.

The width property has effect only on block-level elements or on elements with absolute or fixed position. The overflowing content can be manipulated with the overflow property.

Tip: Use the height property to set or return the height of an element.


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The width property is supported in all major browsers.


Syntax

Return the width property:

object.style.width

Set the width property:

object.style.width="auto|length|%|initial|inherit"

Property Values

Value Description
auto The browser sets the width. This is default
length Defines the width in length units
% Defines the width in % of the parent element
initial Sets this property to its default value. Read about initial
inherit Inherits this property from its parent element. Read about inherit

Technical Details

Default Value: auto
Return Value: A String, representing the width of an element
CSS Version CSS1


More Examples

Example

Change the width of a <div> element:

document.getElementById("myDIV").style.height="500px";

Try it yourself »

Example

Change the height and width of an <img> element:

document.getElementById("myImg").style.height="300px";
document.getElementById("myImg").style.width="300px";

Try it yourself »

Example

Return the width of an <img> element:

alert(document.getElementById("myImg").style.width);

Try it yourself »


Related Pages

CSS tutorial: CSS Dimension

CSS tutorial: CSS Box model

CSS reference: width property


Style Object Reference Style Object

Your suggestion:

Close [X]

Thank You For Helping Us!

Your message has been sent to W3Schools.

Close [X]
Search w3schools.com:

WEB HOSTING

UK Reseller Hosting

WEB BUILDING

Download XML Editor FREE Website BUILDER Free HTML5 Templates

SHARE THIS PAGE

facebook